cve/2022/CVE-2022-4904.md

### [CVE-2022-4904](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-4904)
![](https://img.shields.io/static/v1?label=Product&message=c-ares&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-20-%3ECWE-119&color=brighgreen)

### Description

A flaw was found in the c-ares package. The ares_set_sortlist is missing checks about the validity of the input string, which allows a possible arbitrary length stack overflow. This issue may cause a denial of service or a limited impact on confidentiality and integrity.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/seal-community/patches